3747944448 has 72 divisors (see below), whose sum is σ = 10824804900. Its totient is φ = 1249308672.

The previous prime is 3747944443. The next prime is 3747944479. The reversal of 3747944448 is 8444497473.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 3747944394 and 3747944403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747944441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83238 + ... + 120101.

Almost surely, 2^3747944448 is an apocalyptic number.

It is an amenable number.

3747944448 is an abundant number, since it is smaller than the sum of its proper divisors (7076860452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3747944448 is a wasteful number, since it uses less digits than its factorization.

3747944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203367 (or 203344 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The square root of 3747944448 is about 61220.4577571909. The cubic root of 3747944448 is about 1553.3323309606.

The spelling of 3747944448 in words is "three billion, seven hundred forty-seven million, nine hundred forty-four thousand, four hundred forty-eight".